Java Developer

About Us

STAFFXPERT LLC is a trusted staffing and talent solutions partner dedicated to connecting exceptional professionals with leading organizations across technology, engineering, healthcare, finance, and other high-demand industries. We focus on delivering top-tier talent and creating successful long-term partnerships for both our clients and candidates.

Job Summary

STAFFXPERT LLC is seeking a Java Developer on behalf of our client in Denver, CO. This role is ideal for an experienced software professional with a strong background in developing scalable, high-performance enterprise applications. The successful candidate will leverage expertise in Java, Spring Boot, Microservices, and RESTful APIs to design, build, and maintain innovative software solutions while collaborating with cross-functional teams in an Agile environment.

Key Responsibilities

• Design, develop, test, and maintain enterprise-grade Java applications.
• Build and enhance scalable RESTful APIs and microservices-based solutions.
• Develop secure, reliable, and high-performing backend services using Spring technologies.
• Collaborate with Business Analysts, Architects, QA Engineers, DevOps teams, and Product Owners to deliver quality software solutions.
• Participate in system design, architecture discussions, and code reviews.
• Write clean, maintainable, and efficient code following industry best practices.
• Troubleshoot, debug, and optimize existing applications.
• Support software deployments and contribute to CI/CD practices.
• Ensure application performance, scalability, and security standards are met.
• Actively participate in Agile ceremonies and development activities.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 10+ years of professional experience in Java application development.
• Strong expertise in Java (Java 8, 11, and/or 17).
• Solid understanding of Object-Oriented Programming (OOP) principles and design patterns.
• Hands-on experience with: Spring Framework, Spring Boot, Spring MVC, Spring Security, Spring Data JPA.
• Strong experience designing and developing RESTful APIs.
• Proven experience building and supporting Microservices architectures.
• Experience with Hibernate and/or JPA.
• Strong knowledge of relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
• Experience with build tools such as Maven or Gradle.
• Proficiency with Git and version control practices.
• Familiarity with Agile/Scrum methodologies.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent verbal and written communication skills.

Preferred Qualifications

• Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform (GCP).
• Familiarity with containerization technologies including Docker and Kubernetes.
• Experience with CI/CD tools and automation practices.
• Knowledge of messaging platforms such as Kafka or RabbitMQ.
• Exposure to monitoring and logging tools within distributed application environments.

Location: Denver, CO (Onsite)